66 citations
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June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
4 citations
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August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
5 citations
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June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
September 2025 in “Genes” Certain gene variations in Jiangnan cashmere goats are linked to important traits like birth weight and fiber quality, useful for breeding.
October 2017 in “The Indian Journal of Animal Sciences” The prolactin gene polymorphism doesn't affect cashmere quality in these goats.
48 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
10 citations
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
6 citations
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October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
68 citations
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December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
46 citations
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March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
23 citations
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February 2015 in “International Journal of Molecular Sciences” Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.
13 citations
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March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
13 citations
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May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
NaOH treatment improves hair strength and suitability for textiles.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
20 citations
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May 2007 in “Asian-Australasian Journal of Animal Sciences” KAP8.2 gene variations affect cashmere quality in goats.
17 citations
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June 2020 in “Animals” lncRNAs may regulate hair follicle development in Hu sheep.
9 citations
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February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
December 2025 in “Frontiers in Veterinary Science” Key genes like KRT27 and IGF-2 are crucial for hair follicle development in Qianhua Mutton Merino sheep.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
30 citations
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March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
26 citations
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April 2019 in “Genes” lncRNA XLOC_008679 and gene KRT35 affect cashmere fineness in goats.
25 citations
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August 2017 in “Animal Biotechnology” Researchers found that certain RNA molecules might play a role in the growth of Cashmere goat hair.
19 citations
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July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
13 citations
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June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
7 citations
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March 2021 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Blocking prolactin increases the activity of secondary hair follicles in cashmere goats.
7 citations
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August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
30 citations
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May 2010 in “British Journal of Dermatology” Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.